The SEEMEE 300 Smart Tail Light offers all-around safety and visibility with a max output of 300 lumens and OptiTracing light projecting a 360° arc. It features a smart motion sensor, auto-adjust brightness, and an easy-to-read indicator for battery status. With a waterproof rating of IPX6, it is suitable for various weather conditions. Specifications: •Max Output: 300 lumens & 360° tracing light Max Runtime: 200 hours •Waterproof: IPX6 •Charger: USB-C •Charging Time: 2 hours (5V, 1A) •Battery Source: 3.7V 1600mAh •Includes: light, seatpost mount, saddle mount, tie band, USB-C cable, manual